Customers

About

Electricity

Legal

COzero News


Archive for April, 2017

A/C Temperature Settings for Efficiency and Comfort

A/C Temperature Settings for Efficiency and Comfort

We go through settings for your heating and cooling to optimise both occupancy comfort and energy efficiency, while considering the different variables involved.
Continue reading
Hours of operation and the Gibb's phenomenon

Hours of operation and the Gibb's phenomenon

There are many ways to extract insights out of time series data. In this series of posts we explore some of the mathematical foundations in dealing with an apparently simple but, we will see, challenging task: based on the power electricity profile of a business, determine its hours of operation.
Continue reading
Lambda Management and Deployment

Lambda Management and Deployment

AWS Lambda, the new kid on the block, is an interesting technology. What's harder is developing and deploying lambda functions using CI/CD tooling – thus making it easier to manage, update, test and deploy the functions. We explore how we've started meeting this challenge.
Continue reading
Using mutant + snapshot testing to prevent regressions in D3 visualisations

Using mutant + snapshot testing to prevent regressions in D3 visualisations

D3 is a solid data visualisation tool but writing tests for charts can be tricky due to the way D3 chains function calls together and the sheer amount of code that's involved in bootstrapping a chart. Snapshot testing is a low effort, high reward testing approach popularised by the Jest framework for testing React apps. I've had a go at using it with D3 charts and found it works well with some caveats.
Continue reading